Draught Diverter
Ø flue socket collar: 127 Flue duct Ø 4.9" / 125 mm
Expansion Vessel
Fill pressure: 10.88 psi / 0.75 bar. Butyl diaphragm and nitrogen charge
Total/Useful capacity: 2.11 gal/1.19 gal (8 litres/4.5 litres)
Flue Spillage Limit Thermostat
Set at: 149º F / 65º C
Heat Exchanger
Bithermal. 6 steps in DHW andHeating. Made of
copper and high-temperature aluminium paint.
Gas Valve
5 stages of output. Nat Gas governor: 6.8:8 wc" (17:25 mbar).
No internal diaphragms. Coil voltage: 12Vdc.
Combustion chamber
Compact. Side fixing rods
Ignition electrodes and
flame rod
Burner
Stainless steel. 13 “becks” “Clover-like” flame on the
ends for interlighting.
Mini-accumulator
Capacity: 1.6 qt/1.5 litres. Made of copper
Flow detector device
Circulator
Main Components (II)
13
Laura 20/20F wall-hung waterheaters
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